INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c251ffa1ce6060afa428cfdef2d9b09a86e8bffa4d7af2e0d4047104c8d33d90', 
    '+7S4i+vOE5WC2V3+88YikfDSqqzpM6ztELDF7r5BKbc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)